Table 2.
Mean Time of Emergence Events and Difference between the Hypocapnia and Hypercapnia Groups
| Emergence events | Hypocapnia group (n = 15) | Hypercapnia group (n = 15) | Difference (95% CI) | P value |
|---|---|---|---|---|
| Spontaneous respiration | 8.6 (1.2) | 7.9 (1.0) | −0.7 (−4.0 to 2.5) | 0.645 |
| Eyes opening | 9.7 (1.3) | 9.0 (1.0) | −0.7 (−4.0 to 2.7) | 0.688 |
| Mouth opening | 10.3 (1.3) | 9.4 (1.0) | −0.9 (−4.4 to 2.5) | 0.576 |
| Tracheal extubation | 11.5 (1.3) | 10.3 (0.9) | −1.2 (−4.5 to 2.0) | 0.447 |
Values (min) are expressed as mean (SE). Hypocapnia: End-tidal carbon dioxide of 30 mmHg, Hypercapnia: End-tidal carbon dioxide of 50 mmHg.